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On the formation of species and genera in the insect fauna of the Lesser Antillean Archipelago


, : On the formation of species and genera in the insect fauna of the Lesser Antillean Archipelago. Proc Roy Ent Soc London Ser A 21(10/12): 73-80

The affinities of the majority of the spp. of the Lesser Antilles lie with those of tropical Central America. 4 elements may be distinguished; recent immigrants; forms and vars. of widespread spp.; spp. occurring only in the Lesser Antilles; and endemic genera. Variation affects not only structural details between inter-island spp., but also food habits and behavior. Specific variation may be produced by irritation of the protoplasm brought about by fluctuations in the microenvironment, these variations becoming fixed by physiological and geographic isolation. The factors leading to the production of a uniform population of a sp. within each island are discussed.

US$19.90

DOI: 10.1111/j.1365-3032.1946.tb01077.x


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